D is the son of E. F is the daughter of D. How is E related to F?

B. FATHER

D is the son of E and F is the daughter of E. How is F related to D?

A. SISTER

G is the uncle of H. H is the daughter of J. How is J related to G?

C. SISTER-IN-LAW

Tree is to Leaf as Flower is to ?

A. PETAL

K is the mother of L. M is the brother of K. N is the son of M. How is N related to L?

A. COUSIN